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This pressurized water reactor (PWR) style nuclear reactor, designed by Knolls Atomic Power Laboratory (then managed by General Electric), is designed to have increased energy density, and new plant components, including a new steam generator design featuring improved corrosion resistance and reduced life-cycle costs. The steam generator will alleviate the corrosion concerns encountered in existing designs of steam generators, while reducing component size and weight and providing greater flexibility in overall arrangement. The reactor is designed to operate for 33 years without refueling.[1][2]

The reactor is around 150 megawatts (MW) driving a 30 MW pump-jet propulsion system built by BAE Systems that was originally planned for the Royal Navy.[3]